picture,sleep,people,look,point造句

Look at this picture,it is very beautiful.
Don't talk too loudly. My father is sleeping.
There are many people there on vacation.
This is a good pen,and let me have a look.
Please point out the mistakes.

he pointed at the picture in which a boy looked at many people slept under the tree.

Look at this picture!The people sleep.There is a point.